lp3359 Lowpower Semiconductor inc, lp3359 Datasheet - Page 3
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lp3359
Manufacturer Part Number
lp3359
Description
High Performance, Current Source For Parallel White-led Driver
Manufacturer
Lowpower Semiconductor inc
Datasheet
1.LP3359.pdf
(9 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
lp3359QVF
Manufacturer:
LPS
Quantity:
20 000
Electrical Characteristics
(Limits in standard typeface and typical values apply for TA=25°C. Limits in boldface type apply over the operating junction temperature
range (-40°C~+85°C). Unless otherwise specified: VIN=5V, VLEDX=3.6V, RSET=7.5k, V(EN/PWM)=VIN.)
I
I
SHUT-DOWN
LEDX-MATCH
Symbol
I
LEDX/ISET
LP3359-datasheet Ver.1.1 Nov.-2005
ILEDx
V
V
I
SET
HR
Q
Description
LED Current
Current Matching Between
Any Two Outputs
ISET Pin Voltage
Output Current to Current
Set Ratio
Current Source Headroom
Voltage
Shutdown Supply Current
Quiescent Supply Current
Conditions
3.0V ≤ VIN ≤ 5.5V 2.0V ≤ VLEDX ≤
(VIN-0.4V) RSET=7.5k
ILED=95% × ILED(nom), RSET= 4.7K
(ILED(nom) approx. 25mA)
ILED=95% × ILED(nom), RSET= 12K
(ILED(nom) approx. 10mA)
ILED=0mA, RSET=Open
ILED=0mA, RSET=7.5k
EN/PWM=0
3
-
3
1.06
(-8%)
14.3
Min
15.8
320
130
175
325
0.01
Typ
±0.3
1.18
100
440
220
285
1
(+8%)
Max
17.3
1.3
±1
LP3359
Units
mA
mV
uA
%
V
V